Titarat Lertchaowayuth และ Sirirat Rengpipat. (2008) Inhibition on certain food-borne bacteria in yoghurt by nisin-producing Lactococcus lactis WNC20. Chulalongkorn University:ม.ป.ท.Titarat Lertchaowayuth และ Sirirat Rengpipat. 2008. Inhibition on certain food-borne bacteria in yoghurt by nisin-producing Lactococcus lactis WNC20. ม.ป.ท.:Chulalongkorn University;Titarat Lertchaowayuth และ Sirirat Rengpipat. Inhibition on certain food-borne bacteria in yoghurt by nisin-producing Lactococcus lactis WNC20. ม.ป.ท.:Chulalongkorn University, 2008. Print.